<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        table {
            width: 400px;
            border: 1px solid #000;
            border-collapse: collapse;
            margin: 0 auto;
        }
        
        td,
        th {
            border: 1px solid #000;
            text-align: center;
        }
        
        input {
            width: 50px;
        }
        
        .search {
            width: 600px;
            margin: 20px auto;
        }
    </style>
</head>
<body>
    <div class="search">
        按照价格查询: <input type="text" class="start"> - <input type="text" class="end"> <button class="search-price">搜索</button> 按照商品名称查询: <input type="text" class="product"> <button class="search-pro">查询</button>
    </div>
    <table>
        <thead>
            <tr>
                <th>id</th>
                <th>产品名称</th>
                <th>价格</th>
            </tr>
        </thead>
        <tbody>


        </tbody>
        <script>
            var data = [{
            id: 1,
            pname: '小米',
            price: 3999
        }, {
            id: 2,
            pname: 'oppo',
            price: 999
        }, {
            id: 3,
            pname: '荣耀',
            price: 1299
        }, {
            id: 4,
            pname: '华为',
            price: 1999
        }, ];
        //获取相应的元素
        var tbody = document.querySelector('tbody');
        var search_price = document.querySelector('.search-price');
        var start = document.querySelector('.start');
        var end = document.querySelector('.end');
        var product = document.querySelector('.product');
        var search_pro = document.querySelector('.search-pro');
        //把数据渲染到页面当中
        setDate(data);
        function setDate(mydata) {
            //先清空tbody里面的数据
            tbody.innerHTML = '';
            mydata.forEach(function(value) {
            var tr = document.createElement('tr');
            tr.innerHTML = '<td>' + value.id+ '</td><td>' + value.pname + '</td><td> ' + value.price + ' </td>';
            tbody.appendChild(tr);
        });
        }

        search_price.addEventListener('click', function() {
            var newData = data.filter(function(value) {
                return value.price >= start.value && value.price <= end.value;
            });
            // console.log(newData);
            setDate(newData);
        })

        search_pro.addEventListener('click', function() {
            var arr = []; 
            data.some(function(value) {
                if(value.pname === product.value) {
                    arr.push(value);
                    return true;
                }
            })
            setDate(arr);
        })
        //把拿到的数据渲染到页面中
      
        </script>
    </table>
</body>
</html>